<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>

    </style>
</head>
<body>

</body>
<script>
    var arr = [7,3,6,63,5,4,3];
    console.log(arr)
    for(i=0;i<arr.length-1;i++){
        for(j=0;j<=arr.length-1-i;j++){
            if(arr[j]>arr[j+1]){
                [arr[j],arr[j+1]]=[arr[j+1],arr[j]]
            }
        }
    }
</script>
</html>